Time-domain Brillouin imaging of sound velocity and refractive index using automated angle scanning

Time-domain Brillouin imaging of sound velocity and refractive index using automated angle scanning

We present a picosecond optoacoustic technique for mapping both the longitudinal sound velocity v and the refractive index n in solids by automated measurement at multiple probe incidence angles in time-domain Brillouin scattering. Using a fused silica sample with a deposited titanium film as an opt...

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Bibliographic Details
Main Authors: Motonobu Tomoda, Akihisa Kubota, Osamu Matsuda, Yoshihiro Sugawara, Oliver B. Wright
Format: Article
Language:English
Published: Elsevier 2023-06-01
Series:Photoacoustics
Subjects:
Picosecond ultrasonics
Brillouin scattering
Time domain
Sound velocity
Refractive index
Ultrafast
Online Access:http://www.sciencedirect.com/science/article/pii/S2213597923000393

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